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Instagram comes to Windows Phone missing a few things

Lionel Bonaventure | AFP | Getty Images

Instagram launched on Microsoft's smartphone OS on Wednesday, but it's missing some key features, including the ability to take and share video.

(Read more: Who's viewing your Instagram, and profiting from it? )

Windows Phone users also won't be able to tag people in photos or view the geotaxis of posted images.

Users can upload the images they take with their smartphone camera app but can't take a picture with the Instagram app, as they could with an Apple iOS device or Android device.

(Read more: What companies are doing with your intimate social data )

The Instagram app also will be available only on Windows Phone 8.

"We wanted to make Instagram available to people with Windows Phones as quickly as possible, so we focused on creating an awesome experience with Instagram's core features," Instagram said in a blog post. "We're not finished, and our team will continue developing the Windows Phone app to keep releasing features and bringing you the best Instagram possible."

A good indicator of a successful smartphone is the apps available in its ecosystem. That's because developers want to expend resources building apps that will get the most bang for their buck—and these days that means building apps for Apple's mobile devices and Android smartphones.

Windows Phones has has a tough time gaining traction against its competitors. But it has picked up market share and is getting some of the more popular apps, such as Instagram and Waze, to come to the Windows Store.

In fact, Windows Phone increased its market share to 3.6 percent in the third quarter from 2 percent in the year-earlier period, according to data from IDC Research. That it is now getting Instagram—one of the top apps on the Apple Store and Google Play—shows that the device is finding its place in the smartphone market.

By CNBC's Cadie Thompson. Follow her on Twitter @CadieThompson.